<template>
  <el-form
    class="login-form"
    status-icon
    :rules="loginRules"
    ref="loginForm"
    :model="loginForm"
    label-width="0"
  >
    <el-form-item prop="username">
      <el-input
        size="small"
        @keyup.enter.native="handleLogin"
        v-model="loginForm.username"
        auto-complete="off"
        placeholder="请输入用户名"
      >
        <i slot="prefix" class="icon-yonghu"></i>
      </el-input>
    </el-form-item>
    <el-form-item prop="password">
      <el-input
        size="small"
        @keyup.enter.native="handleLogin"
        :type="passwordType"
        v-model="loginForm.password"
        auto-complete="off"
        placeholder="请输入密码"
      >
        <i
          class="el-icon-view el-input__icon"
          slot="suffix"
          @click="showPassword"
        ></i>
        <i slot="prefix" class="icon-mima"></i>
      </el-input>
    </el-form-item>
    <el-form-item prop="captcha" v-if="website.validateCode">
      <el-row :span="24">
        <el-col :span="16">
          <el-input
            size="small"
            @keyup.enter.native="handleLogin"
            v-model="loginForm.captcha"
            auto-complete="off"
            placeholder="请输入验证码"
          >
            <i slot="prefix" class="icon-yanzhengma"></i>
          </el-input>
        </el-col>
        <el-col :span="8">
          <div class="login-code">
            <img class="login-code-img" :src="captchaPath" @click="getCaptcha()" alt/>
          </div>
        </el-col>
      </el-row>
    </el-form-item>
    <el-form-item>
      <el-button
        type="primary"
        @click.native.prevent="handleLogin"
        class="login-submit"
      >登录
      </el-button
      >
    </el-form-item>
  </el-form>
</template>

<script>
import {getUUID} from "@/util/util";
import {mapGetters} from "vuex";

export default {
  name: "userlogin",
  data() {
    return {
      loginForm: {
        username: "young",
        password: "123456",
        uuid: '',
        captcha: ''
      },
      loginRules: {
        username: [
          {required: true, message: "请输入用户名", trigger: "blur"},
        ],
        password: [
          {required: true, message: "请输入密码", trigger: "blur"},
          {min: 6, message: "密码长度最少为6位", trigger: "blur"}
        ],
        captcha: [
          {required: true, message: "请输入验证码", trigger: "blur"},
        ]
      },
      passwordType: "password",
      captchaPath: "",
      redirect: ''
    };
  },
  created() {
    if (this.website.validateCode) {
      this.getCaptcha();
    }
    this.redirect = this.$route.query.redirect ? decodeURIComponent(this.$route.query.redirect) : undefined;
  },
  computed: {
    ...mapGetters(["tagWel", "website"])
  },
  methods: {

    showPassword() {
      this.passwordType == ""
        ? (this.passwordType = "password")
        : (this.passwordType = "");
    },
    handleLogin() {
      this.$refs.loginForm.validate(valid => {
        if (valid) {
          this.$store.dispatch("LoginByUsername", this.loginForm)
            .then(() => {
              this.$router.push({path: this.redirect || this.tagWel.value});
            })
            .catch(() => {
              this.getCaptcha();
            });
        }
      });
    },
    // 获取验证码
    getCaptcha() {
      this.loginForm.uuid = getUUID()
      this.captchaPath = process.env.VUE_APP_BASE_CAPTCHA + `?uuid=${this.loginForm.uuid}`
    },
  }
};
</script>

<style></style>
